/Engine/Source/Runtime/Interchange/Core/Public/InterchangePipelineBase.h
Non virtual helper to allow blueprint to implement event base function. the Interchange framework is calling this function not the virtual one that is called by the default implementation.
void ScriptedSetReimportSourceIndex ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * ReimportObjectClass, const int32 SourceFileIndex )